have some checking up to do

have some checking up to do

To need to investigate or look into something. A: "Something about his alibi seems strange, doesn't it?" B: "Yeah, I think we have some checking up to do." I need to stop by the office real quick—I've got some checking up to do before we start our year-end audit tomorrow.
See also: check, have, to, up
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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